Animals / blue-whale
Blue whale
25 m
25 m
A selected adult blue whale example, not a species-wide average or maximum.
Snout to tail extremity along the straightened side-view body axis.
Measurement basis
Mammal Society: Size; NOAA: Appearance.
Mammal Society gives adult length 24–26 m and notes larger females; NOAA distinguishes population and sex variation.
25 m falls within the published adult range. No particular measured individual is claimed.
NOAA and Mammal Society species accounts, accessed 2026-11-13